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Operation
Within the crayon box is an ABS plastic crayon guide/frame that contains a sophisticated
electronic board and also six motion sensors. Also internally within the crayon box, on the opposite
side is a black material opposite the motion sensors.
The sensors detect whether the crayons are in place by monitoring the difference between color
and black (measuring the reflected light).
To ensure correct operation,
the crayons must be inserted
with the black crayon “logo” facing
away from the motion sensor (i.e., the sensors have a color facing them).
As the six sensors within the crayon box are “looking” for each crayon to be removed one at a
time, it is important during a performance to instruct the audience member to hold the crayon box,
only remove one crayon and then color in the specified section of the drawing.
The box is designed to enable the audience member to hold the crayon box after opening the top
flap, which will then fold back, so the top of the crayons extends past the top of the crayon box
for easy removal.
The audience member should be instructed to discard the crayon and remove another crayon. This
prevents the difficulty caused if a member empties all crayons from the box and or replaces a
crayon in the box and removes the same crayon later.
Note that the crayon order is Red, Orange, Yellow, Green, Blue, and Black. A common mnemonic
to remember the order is ROYGBIV (We don’t use Indigo and Violet), this is the same order as the
color of the rainbow.
Just in case you forget, we also print the Crayon colors on both the front of the Crayon Box and
even on the top of the Crayon Box.
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